Carlos Slim Helú is a Mexican business magnate, investor, and philanthropist. He derived most of his wealth from his extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso.

Within 2010 and 2013, slim ranked as the world’s richest man in the world, in 2015 he ranked the second richest man in the world while Bill Gates ranked number 1.

Michael Bloomberg is an American business magnate, politician, and philanthropist. With a net worth of $41.1 billion, he is the 6th-wealthiest person in the United States and the 8th-wealthiest in the world.